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. 2022 Feb 18;14(8):10758–10768. doi: 10.1021/acsami.1c21555

Figure 4.

Figure 4

Mössbauer spectra recorded at 80 K of (a) MIL-100(Fe) and (b) carvacrol@MIL-100(Fe) measured as-synthesized and (c) MIL-100(Fe) and (d) carvacrol@MIL-100(Fe) measured after activation (right). The solid lines over the experimental points are the fitted distribution of quadrupole doublets. The sum of two distributions of quadrupole doublets due to FeIII and FeII is shown slightly shifted for clarity in orange and green, respectively.